/* ============================================
   GREAT LEADERS DO — brand system
   Editorial, dark, restrained. Sage is an accent,
   never the dominant color.
   ============================================ */

:root {
  --charcoal: #191A19;    /* primary background */
  --charcoal-2: #212220;  /* slightly raised surface */
  --ivory: #F4F1E8;       /* primary text */
  --sage: #A3B18A;        /* accent — buttons, small marks only */
  --stone: #C8C9C2;       /* secondary text, fine lines */
  --line: rgba(200, 201, 194, 0.16);
  --line-strong: rgba(200, 201, 194, 0.30);

  --serif: 'Instrument Serif', Georgia, serif;
  --sans: 'Instrument Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--charcoal);
  color: var(--ivory);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 44px;
}
@media (max-width: 640px) {
  .wrap { padding: 0 24px; }
  body { font-size: 16px; }
}

/* ---------- Typography ---------- */
h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.06;
  margin: 0;
  letter-spacing: 0;
}
h1 { font-size: clamp(2.8rem, 6vw, 5.2rem); }
h2 { font-size: clamp(2rem, 3.8vw, 3rem); }
h3 { font-family: var(--sans); font-weight: 600; font-size: 1.2rem; }

em, .italic {
  font-family: var(--serif);
  font-style: italic;
  color: var(--sage);
}

p { margin: 0 0 1em; color: var(--stone); }
p.lead {
  font-size: 1.3rem;
  line-height: 1.55;
  color: var(--ivory);
}
.on-ivory p { color: var(--charcoal); }

.eyebrow {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sage);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
}
.eyebrow::before {
  content: '';
  width: 26px;
  height: 1px;
  background: var(--sage);
}

/* ---------- Header / nav ---------- */
header.site {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(25, 26, 25, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
}
.wordmark {
  font-family: var(--serif);
  font-size: 1.5rem;
  text-decoration: none;
  color: var(--ivory);
}
.wordmark em { font-style: italic; color: var(--sage); }

.navlinks {
  display: flex;
  gap: 38px;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 500;
}
.navlinks a {
  text-decoration: none;
  color: var(--stone);
  position: relative;
  padding-bottom: 3px;
}
.navlinks a:hover, .navlinks a.active { color: var(--ivory); }
.navlinks a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--sage);
}
.navlinks .btn { padding: 10px 20px; }

.navtoggle { display: none; }
@media (max-width: 780px) {
  .navlinks { display: none; }
  .navtoggle {
    display: block;
    background: none; border: none;
    font-family: var(--sans);
    font-weight: 600;
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    color: var(--ivory);
    cursor: pointer;
  }
  .navlinks.open {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--charcoal);
    padding: 24px 24px 30px;
    border-bottom: 1px solid var(--line);
    gap: 20px;
  }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.88rem;
  text-decoration: none;
  padding: 14px 28px;
  border-radius: 2px;
  border: 1px solid transparent;
  transition: opacity 0.15s ease, background 0.15s ease, color 0.15s ease;
  cursor: pointer;
  letter-spacing: 0.01em;
}
.btn-primary {
  background: var(--sage);
  color: var(--charcoal);
}
.btn-primary:hover { opacity: 0.85; }
.btn-ghost {
  border-color: var(--stone);
  color: var(--ivory);
  background: transparent;
}
.btn-ghost:hover { border-color: var(--sage); color: var(--sage); }

/* ---------- Sections ---------- */
section { padding: 110px 0; }
section.tight { padding: 70px 0; }
.section-raised { background: var(--charcoal-2); }
.section-ink { background: var(--charcoal-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-ivory { background: var(--ivory); color: var(--charcoal); }
.section-ivory p { color: rgba(25,26,25,0.7); }
.section-ivory .eyebrow { color: #6E7A5E; }
.section-ivory .eyebrow::before { background: #6E7A5E; }

hr.rule { border: none; border-top: 1px solid var(--line); margin: 0; }

/* ---------- Hero ---------- */
.hero { padding: 100px 0 76px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.7fr;
  gap: 64px;
  align-items: end;
}
@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
}
.hero-note {
  font-size: 1.05rem;
  color: var(--stone);
  border-left: 1px solid var(--sage);
  padding-left: 22px;
}

/* ---------- Numbered list (real sequence: keynote/workshop offerings) ---------- */
.offer-list { border-top: 1px solid var(--line); margin-top: 50px; }
.offer {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 28px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}
.offer .num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.6rem;
  color: var(--sage);
}
.offer h3 { margin-bottom: 8px; font-family: var(--serif); font-weight: 400; font-size: 1.5rem; }
.offer p { margin-bottom: 0; max-width: 560px; }
@media (max-width: 640px) {
  .offer { grid-template-columns: 40px 1fr; gap: 16px; }
}

/* ---------- Grid / cards ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (max-width: 780px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}
.card { background: var(--charcoal); padding: 40px 36px; }
.section-raised .card { background: var(--charcoal-2); }
.card h3 { margin-bottom: 12px; font-family: var(--serif); font-weight: 400; font-size: 1.4rem; }
.card p { margin-bottom: 0; font-size: 0.98rem; }

/* ---------- Quote / pull ---------- */
.pull {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.5rem, 2.8vw, 2.3rem);
  line-height: 1.42;
  color: var(--ivory);
  max-width: 820px;
}
.section-ivory .pull { color: var(--charcoal); }

.testimonial {
  padding: 36px 0;
  border-top: 1px solid var(--line);
}
.testimonial:last-child { border-bottom: 1px solid var(--line); }
.testimonial p.quote {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.2rem;
  line-height: 1.5;
  color: var(--ivory);
  max-width: 760px;
  margin-bottom: 16px;
}
.testimonial .attr {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--sage);
}

/* ---------- Stats ---------- */
.stats { display: flex; gap: 60px; flex-wrap: wrap; margin-top: 40px; }
.stat .n { font-family: var(--serif); font-size: 2.6rem; color: var(--sage); line-height: 1; }
.stat .l { font-size: 0.85rem; color: var(--stone); margin-top: 8px; }

/* ---------- Forms ---------- */
.field {
  display: block;
  width: 100%;
  padding: 15px 16px;
  font-family: var(--sans);
  font-size: 1rem;
  background: var(--charcoal-2);
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  color: var(--ivory);
  margin-bottom: 18px;
}
.field:focus { outline: 1px solid var(--sage); outline-offset: 1px; }
label {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--stone);
  display: block;
  margin-bottom: 7px;
}

/* ---------- Footer ---------- */
footer.site { padding: 60px 0 42px; border-top: 1px solid var(--line); }
.foot-grid { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 30px; }
.foot-links { display: flex; gap: 26px; list-style: none; padding: 0; margin: 0; font-size: 0.92rem; }
.foot-links a { text-decoration: none; color: var(--stone); }
.foot-links a:hover { color: var(--ivory); }
.fine { font-family: var(--sans); font-size: 0.78rem; color: var(--stone); margin-top: 30px; }

/* ---------- Utility ---------- */
.center { text-align: center; }
.stack { display: flex; flex-direction: column; gap: 8px; }
.row { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.tag {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  color: var(--sage);
  border: 1px solid var(--sage);
  padding: 5px 12px;
  border-radius: 999px;
  text-decoration: none;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}